中国矿产资源贸易网络演化
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王文宇, 贺灿飞, 任卓然
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Evolution of mineral resources trade network in China
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WANG Wen-yu, HE Can-fei, REN Zhuo-ran
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表4 中国矿产资源出口网络演化模型的回归结果
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Table 4 Factors influencing evolution of export network of mineral resources in China
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变量 | 2008年以前 | | 2008年以后 | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | Relation | -0.047*** | -0.073*** | -0.045*** | -0.047*** | | -0.032** | -0.074*** | -0.028 | -0.026 | | (0.015) | (0.018) | (0.015) | (0.015) | (0.020) | (0.022) | (0.019) | (0.020) | lnLink | 0.122*** | 0.124*** | 0.109*** | 0.122*** | 0.034* | 0.017* | 0.044** | 0.031 | | (0.020) | (0.020) | (0.020) | (0.020) | (0.020) | (0.020) | (0.020) | (0.020) | lnInvest | 0.033** | 0.032** | 0.024* | 0.039*** | 0.072*** | 0.075*** | 0.064*** | 0.064*** | | (0.014) | (0.014) | (0.014) | (0.014) | (0.008) | (0.008) | (0.008) | (0.008) | lnGDPi | 0.658*** | 0.666*** | 0.671*** | 0.649*** | 0.067 | 0.053 | 0.089 | 0.050 | | (0.095) | (0.095) | (0.095) | (0.095) | (0.123) | (0.123) | (0.123) | (0.123) | lnGDPj | 1.089*** | 1.086*** | 1.094*** | 1.086*** | 1.068*** | 1.073*** | 1.075*** | 1.079*** | | (0.015) | (0.015) | (0.015) | (0.015) | (0.017) | (0.017) | (0.017) | (0.017) | lnDist | -1.835*** | -1.826*** | -1.926*** | -1.719*** | -1.395*** | -1.347*** | -1.287*** | -1.382*** | | (0.050) | (0.050) | (0.051) | (0.063) | (0.053) | (0.053) | (0.065) | (0.076) | lnInst | 0.054 | 0.049 | 0.187** | 0.069* | -0.370*** | -0.368*** | -0.379*** | -0.502*** | | (0.034) | (0.034) | (0.037) | (0.042) | (0.037) | (0.037) | (0.037) | (0.041) | Landlocked | -0.604*** | -0.598*** | -0.605*** | -0.604*** | -0.269*** | -0.224*** | -0.227*** | -0.271*** | | (0.059) | (0.059) | (0.059) | (0.059) | (0.065) | (0.065) | (0.065) | (0.065) | Developed | 0.264*** | 0.273*** | 0.153* | 0.281*** | 1.046*** | 1.080*** | 0.701*** | 0.863*** | | (0.095) | (0.095) | (0.097) | (0.095) | (0.094) | (0.095) | (0.096) | (0.095) | Rltn_Dist | | 0.138*** | | | | 0.304*** | | | | | (0.040) | | | | (0.048) | | | Rltn_Inst | | | | | | 0.101*** | | | | | | | | | (0.024) | | | Link_Dist | | | -0.126*** | | | | -0.186*** | | | | | (0.026) | | | | (0.024) | | Link_Inst | | | | | | | 0.156*** | | | | | | | | | (0.015) | | Invst_Dist | | | | 0.051*** | | | | -0.021** | | | | | (0.015) | | | | (0.013) | Invst_Inst | | | | | | | | 0.051*** | | | | | | | | | (0.007) | _cons | -25.19*** | -25.40*** | -24.83*** | -25.91*** | -11.46*** | -11.44*** | -13.29*** | -11.26*** | | (2.738) | (2.734) | (2.732) | (2.747) | (3.684) | (3.683) | (3.687) | (3.712) | 产品效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 时间效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | N | 35105 | 35105 | 35105 | 35105 | 36763 | 36763 | 36763 | 36763 | R2 | 0.435 | 0.435 | 0.437 | 0.435 | 0.392 | 0.393 | 0.396 | 0.393 | P | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
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